Nov 16 16:10:20.811 INFO testing raphlinus/ghilbert against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 16:10:20.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 16:10:21.354 INFO [stdout] e8489537686b82d507d01cd623ea33b0bc0e867165c201826bfc4540892c8683
Nov 16 16:10:21.355 INFO running `"docker" "start" "-a" "e8489537686b82d507d01cd623ea33b0bc0e867165c201826bfc4540892c8683"`
Nov 16 16:10:22.527 INFO [stderr] usermod: no changes
Nov 16 16:10:22.608 INFO [stderr]    Compiling union-find v0.3.1
Nov 16 16:10:22.608 INFO [stderr]    Compiling serde_json v1.0.2
Nov 16 16:10:26.504 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Nov 16 16:10:26.839 INFO [stderr] warning: doc comment not used by rustdoc
Nov 16 16:10:26.839 INFO [stderr]    --> src/unify.rs:471:9
Nov 16 16:10:26.839 INFO [stderr]     |
Nov 16 16:10:26.839 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 16 16:10:26.839 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:26.839 INFO [stderr]     |
Nov 16 16:10:26.839 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 16 16:10:26.839 INFO [stderr] 
Nov 16 16:10:27.377 INFO [stderr] warning: unused variable: `writer`
Nov 16 16:10:27.377 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 16 16:10:27.377 INFO [stderr]     |
Nov 16 16:10:27.377 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 16 16:10:27.377 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 16 16:10:27.377 INFO [stderr]     |
Nov 16 16:10:27.377 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 16:10:27.377 INFO [stderr] 
Nov 16 16:10:27.377 INFO [stderr] warning: unused variable: `line`
Nov 16 16:10:27.377 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 16 16:10:27.377 INFO [stderr]     |
Nov 16 16:10:27.377 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 16 16:10:27.377 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 16 16:10:27.377 INFO [stderr] 
Nov 16 16:10:27.471 INFO [stderr] warning: variable does not need to be mutable
Nov 16 16:10:27.471 INFO [stderr]    --> src/lexer.rs:132:13
Nov 16 16:10:27.471 INFO [stderr]     |
Nov 16 16:10:27.471 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 16 16:10:27.471 INFO [stderr]     |             ----^^^^
Nov 16 16:10:27.471 INFO [stderr]     |             |
Nov 16 16:10:27.471 INFO [stderr]     |             help: remove this `mut`
Nov 16 16:10:27.471 INFO [stderr]     |
Nov 16 16:10:27.471 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 16:10:27.471 INFO [stderr] 
Nov 16 16:10:27.671 INFO [stderr] warning: method is never used: `cur_info`
Nov 16 16:10:27.671 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 16 16:10:27.671 INFO [stderr]     |
Nov 16 16:10:27.671 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 16 16:10:27.671 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:27.671 INFO [stderr]     |
Nov 16 16:10:27.671 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 16:10:27.671 INFO [stderr] 
Nov 16 16:10:27.671 INFO [stderr] warning: method is never used: `get_end`
Nov 16 16:10:27.671 INFO [stderr]   --> src/parser.rs:44:5
Nov 16 16:10:27.671 INFO [stderr]    |
Nov 16 16:10:27.671 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 16 16:10:27.671 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:27.671 INFO [stderr] 
Nov 16 16:10:27.671 INFO [stderr] warning: field is never used: `session`
Nov 16 16:10:27.671 INFO [stderr]    --> src/session.rs:566:5
Nov 16 16:10:27.671 INFO [stderr]     |
Nov 16 16:10:27.671 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 16 16:10:27.671 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:27.671 INFO [stderr] 
Nov 16 16:10:32.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
Nov 16 16:10:32.906 INFO [stderr] su: No module specific data is present
Nov 16 16:10:33.657 INFO running `"docker" "inspect" "e8489537686b82d507d01cd623ea33b0bc0e867165c201826bfc4540892c8683"`
Nov 16 16:10:33.979 INFO running `"docker" "rm" "-f" "e8489537686b82d507d01cd623ea33b0bc0e867165c201826bfc4540892c8683"`
Nov 16 16:10:34.290 INFO [stdout] e8489537686b82d507d01cd623ea33b0bc0e867165c201826bfc4540892c8683
Nov 16 16:10:34.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 16:10:34.812 INFO [stdout] d5b1b0b7733b8882c24f98a5d6a9e98d04d846210d142f1aee4937cb7ecf562d
Nov 16 16:10:34.815 INFO running `"docker" "start" "-a" "d5b1b0b7733b8882c24f98a5d6a9e98d04d846210d142f1aee4937cb7ecf562d"`
Nov 16 16:10:35.719 INFO [stderr] usermod: no changes
Nov 16 16:10:35.799 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Nov 16 16:10:36.223 INFO [stderr] warning: doc comment not used by rustdoc
Nov 16 16:10:36.223 INFO [stderr]    --> src/unify.rs:471:9
Nov 16 16:10:36.223 INFO [stderr]     |
Nov 16 16:10:36.223 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 16 16:10:36.223 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:36.223 INFO [stderr]     |
Nov 16 16:10:36.223 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 16 16:10:36.223 INFO [stderr] 
Nov 16 16:10:36.803 INFO [stderr] warning: unused variable: `writer`
Nov 16 16:10:36.803 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 16 16:10:36.803 INFO [stderr]     |
Nov 16 16:10:36.803 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 16 16:10:36.803 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 16 16:10:36.803 INFO [stderr]     |
Nov 16 16:10:36.803 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 16:10:36.803 INFO [stderr] 
Nov 16 16:10:36.803 INFO [stderr] warning: unused variable: `line`
Nov 16 16:10:36.803 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 16 16:10:36.803 INFO [stderr]     |
Nov 16 16:10:36.803 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 16 16:10:36.803 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 16 16:10:36.803 INFO [stderr] 
Nov 16 16:10:36.883 INFO [stderr] warning: variable does not need to be mutable
Nov 16 16:10:36.883 INFO [stderr]    --> src/lexer.rs:132:13
Nov 16 16:10:36.883 INFO [stderr]     |
Nov 16 16:10:36.883 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 16 16:10:36.883 INFO [stderr]     |             ----^^^^
Nov 16 16:10:36.883 INFO [stderr]     |             |
Nov 16 16:10:36.883 INFO [stderr]     |             help: remove this `mut`
Nov 16 16:10:36.883 INFO [stderr]     |
Nov 16 16:10:36.883 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 16:10:36.883 INFO [stderr] 
Nov 16 16:10:37.087 INFO [stderr] warning: method is never used: `cur_info`
Nov 16 16:10:37.087 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 16 16:10:37.087 INFO [stderr]     |
Nov 16 16:10:37.087 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 16 16:10:37.087 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:37.087 INFO [stderr]     |
Nov 16 16:10:37.087 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 16:10:37.087 INFO [stderr] 
Nov 16 16:10:37.087 INFO [stderr] warning: method is never used: `get_end`
Nov 16 16:10:37.087 INFO [stderr]   --> src/parser.rs:44:5
Nov 16 16:10:37.087 INFO [stderr]    |
Nov 16 16:10:37.088 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 16 16:10:37.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:37.088 INFO [stderr] 
Nov 16 16:10:37.088 INFO [stderr] warning: field is never used: `session`
Nov 16 16:10:37.088 INFO [stderr]    --> src/session.rs:566:5
Nov 16 16:10:37.088 INFO [stderr]     |
Nov 16 16:10:37.088 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 16 16:10:37.088 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:37.088 INFO [stderr] 
Nov 16 16:10:37.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Nov 16 16:10:37.512 INFO [stderr] su: No module specific data is present
Nov 16 16:10:38.260 INFO running `"docker" "inspect" "d5b1b0b7733b8882c24f98a5d6a9e98d04d846210d142f1aee4937cb7ecf562d"`
Nov 16 16:10:38.537 INFO running `"docker" "rm" "-f" "d5b1b0b7733b8882c24f98a5d6a9e98d04d846210d142f1aee4937cb7ecf562d"`
Nov 16 16:10:38.815 INFO [stdout] d5b1b0b7733b8882c24f98a5d6a9e98d04d846210d142f1aee4937cb7ecf562d
Nov 16 16:10:38.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 16:10:39.296 INFO [stdout] 3854345b927af72b0ec2ec774d56d197ae82110161412856ccfa54074a3060cb
Nov 16 16:10:39.298 INFO running `"docker" "start" "-a" "3854345b927af72b0ec2ec774d56d197ae82110161412856ccfa54074a3060cb"`
Nov 16 16:10:41.083 INFO [stderr] usermod: no changes
Nov 16 16:10:41.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 16 16:10:41.164 INFO [stderr]      Running /target/debug/deps/ghilbert-a118f64a07b77942
Nov 16 16:10:41.164 INFO [stdout] 
Nov 16 16:10:41.165 INFO [stdout] running 0 tests
Nov 16 16:10:41.165 INFO [stdout] 
Nov 16 16:10:41.165 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 16:10:41.165 INFO [stdout] 
Nov 16 16:10:41.175 INFO [stderr] su: No module specific data is present
Nov 16 16:10:42.479 INFO running `"docker" "inspect" "3854345b927af72b0ec2ec774d56d197ae82110161412856ccfa54074a3060cb"`
Nov 16 16:10:42.817 INFO running `"docker" "rm" "-f" "3854345b927af72b0ec2ec774d56d197ae82110161412856ccfa54074a3060cb"`
Nov 16 16:10:43.142 INFO [stdout] 3854345b927af72b0ec2ec774d56d197ae82110161412856ccfa54074a3060cb